Simon is sincere and believes the stories that he tells. This is the answer because of the word play shown such as " impressive earnestness and sincerity" "he regarded it as a really important matter" this is the only[ answer that makes sense to me.
B. bats do things to help the Earth
The Importance of Being Earnest, by Oscar Wilde, is a play that has been described as a trivial comedy for serious people in which its characters create alternate and fictional personas to be able to deal with the burdens put on them by Victorian society. First acted in 1895 in the St. James Theater in London, this play deals with such serious matters as marriage and the customs and beliefs of Victorian society in a trivial way and satirize Victorian conventions.
In this particular excerpt of the III Act of the play what Jack, one of the main characters of the play, is showing is a tendency to show his emotions as he consistently and insistently tries in some form express his emotions and feelings through a constant attempt at hugging and touching Miss Prism.